Laguna del Maule (Chile) – Report for 22 December-28 December 2021

SERNAGEOMIN reported that inflation at Laguna del Maule continued in an area SW of the lake during 1-15 December, though deformation had been decreasing since October with a with a maximum rate of 1.88 centimeters per month. Deformation rates during November and December were comparable to those recorded prior to 2019. The number of volcano-tectonic events had also decreased; the largest event was a M 2.3 located 4.1 km ESE from the center of the lake at a depth of 6.1 km. The Alert Level for Laguna del Maule was lowered to Green, the lowest level on a four-color scale, on 24 December. ONEMI canceled the Yellow Alert for San Clemente, and reminded the public to stay 1 km away from the area producing anomalous carbon dioxide emissions, about 5 km SW of the lake?s shore.

Sources: Oficina Nacional de Emergencia-Ministerio del Interior (ONEMI) ,Servicio Nacional de Geolog�a y Miner�a (SERNAGEOMIN)

Syndicated from Smithsonian / USGS Weekly Volcanic Activity Report

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